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annotate unittests/ExecutionEngine/MCJIT/MCJITMemoryManagerTest.cpp @ 131:f476a9ba4795

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http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
author mir3636
date Fri, 16 Feb 2018 21:02:11 +0900
parents 54457678186b
children c2174574ed3a
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1 //===- MCJITMemoryManagerTest.cpp - Unit tests for the JIT memory manager -===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/ExecutionEngine/SectionMemoryManager.h"
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11 #include "gtest/gtest.h"
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12
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13 using namespace llvm;
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14
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15 namespace {
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16
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17 TEST(MCJITMemoryManagerTest, BasicAllocations) {
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18 std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
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19
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20 uint8_t *code1 = MemMgr->allocateCodeSection(256, 0, 1, "");
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21 uint8_t *data1 = MemMgr->allocateDataSection(256, 0, 2, "", true);
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22 uint8_t *code2 = MemMgr->allocateCodeSection(256, 0, 3, "");
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23 uint8_t *data2 = MemMgr->allocateDataSection(256, 0, 4, "", false);
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24
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25 EXPECT_NE((uint8_t*)nullptr, code1);
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26 EXPECT_NE((uint8_t*)nullptr, code2);
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27 EXPECT_NE((uint8_t*)nullptr, data1);
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28 EXPECT_NE((uint8_t*)nullptr, data2);
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29
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30 // Initialize the data
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31 for (unsigned i = 0; i < 256; ++i) {
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32 code1[i] = 1;
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33 code2[i] = 2;
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34 data1[i] = 3;
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35 data2[i] = 4;
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36 }
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37
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38 // Verify the data (this is checking for overlaps in the addresses)
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39 for (unsigned i = 0; i < 256; ++i) {
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40 EXPECT_EQ(1, code1[i]);
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41 EXPECT_EQ(2, code2[i]);
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42 EXPECT_EQ(3, data1[i]);
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43 EXPECT_EQ(4, data2[i]);
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44 }
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45
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46 std::string Error;
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47 EXPECT_FALSE(MemMgr->finalizeMemory(&Error));
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48 }
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49
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50 TEST(MCJITMemoryManagerTest, LargeAllocations) {
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51 std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
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52
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53 uint8_t *code1 = MemMgr->allocateCodeSection(0x100000, 0, 1, "");
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54 uint8_t *data1 = MemMgr->allocateDataSection(0x100000, 0, 2, "", true);
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55 uint8_t *code2 = MemMgr->allocateCodeSection(0x100000, 0, 3, "");
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56 uint8_t *data2 = MemMgr->allocateDataSection(0x100000, 0, 4, "", false);
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57
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58 EXPECT_NE((uint8_t*)nullptr, code1);
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59 EXPECT_NE((uint8_t*)nullptr, code2);
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60 EXPECT_NE((uint8_t*)nullptr, data1);
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61 EXPECT_NE((uint8_t*)nullptr, data2);
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62
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63 // Initialize the data
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64 for (unsigned i = 0; i < 0x100000; ++i) {
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65 code1[i] = 1;
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66 code2[i] = 2;
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67 data1[i] = 3;
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68 data2[i] = 4;
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69 }
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70
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71 // Verify the data (this is checking for overlaps in the addresses)
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72 for (unsigned i = 0; i < 0x100000; ++i) {
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73 EXPECT_EQ(1, code1[i]);
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74 EXPECT_EQ(2, code2[i]);
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75 EXPECT_EQ(3, data1[i]);
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76 EXPECT_EQ(4, data2[i]);
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77 }
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78
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79 std::string Error;
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80 EXPECT_FALSE(MemMgr->finalizeMemory(&Error));
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81 }
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82
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83 TEST(MCJITMemoryManagerTest, ManyAllocations) {
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84 std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
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85
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86 uint8_t* code[10000];
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87 uint8_t* data[10000];
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88
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89 for (unsigned i = 0; i < 10000; ++i) {
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90 const bool isReadOnly = i % 2 == 0;
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91
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92 code[i] = MemMgr->allocateCodeSection(32, 0, 1, "");
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93 data[i] = MemMgr->allocateDataSection(32, 0, 2, "", isReadOnly);
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94
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95 for (unsigned j = 0; j < 32; j++) {
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96 code[i][j] = 1 + (i % 254);
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97 data[i][j] = 2 + (i % 254);
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98 }
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99
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100 EXPECT_NE((uint8_t *)nullptr, code[i]);
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101 EXPECT_NE((uint8_t *)nullptr, data[i]);
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102 }
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103
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104 // Verify the data (this is checking for overlaps in the addresses)
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105 for (unsigned i = 0; i < 10000; ++i) {
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106 for (unsigned j = 0; j < 32;j++ ) {
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107 uint8_t ExpectedCode = 1 + (i % 254);
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108 uint8_t ExpectedData = 2 + (i % 254);
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109 EXPECT_EQ(ExpectedCode, code[i][j]);
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110 EXPECT_EQ(ExpectedData, data[i][j]);
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111 }
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112 }
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113
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114 std::string Error;
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115 EXPECT_FALSE(MemMgr->finalizeMemory(&Error));
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116 }
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117
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118 TEST(MCJITMemoryManagerTest, ManyVariedAllocations) {
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119 std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
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120
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121 uint8_t* code[10000];
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122 uint8_t* data[10000];
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123
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124 for (unsigned i = 0; i < 10000; ++i) {
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125 uintptr_t CodeSize = i % 16 + 1;
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126 uintptr_t DataSize = i % 8 + 1;
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127
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128 bool isReadOnly = i % 3 == 0;
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129 unsigned Align = 8 << (i % 4);
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130
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131 code[i] = MemMgr->allocateCodeSection(CodeSize, Align, i, "");
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132 data[i] = MemMgr->allocateDataSection(DataSize, Align, i + 10000, "",
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133 isReadOnly);
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134
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135 for (unsigned j = 0; j < CodeSize; j++) {
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136 code[i][j] = 1 + (i % 254);
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137 }
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138
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139 for (unsigned j = 0; j < DataSize; j++) {
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140 data[i][j] = 2 + (i % 254);
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141 }
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142
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143 EXPECT_NE((uint8_t *)nullptr, code[i]);
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144 EXPECT_NE((uint8_t *)nullptr, data[i]);
0
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145
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146 uintptr_t CodeAlign = Align ? (uintptr_t)code[i] % Align : 0;
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147 uintptr_t DataAlign = Align ? (uintptr_t)data[i] % Align : 0;
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148
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149 EXPECT_EQ((uintptr_t)0, CodeAlign);
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150 EXPECT_EQ((uintptr_t)0, DataAlign);
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151 }
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152
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153 for (unsigned i = 0; i < 10000; ++i) {
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154 uintptr_t CodeSize = i % 16 + 1;
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155 uintptr_t DataSize = i % 8 + 1;
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156
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157 for (unsigned j = 0; j < CodeSize; j++) {
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158 uint8_t ExpectedCode = 1 + (i % 254);
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159 EXPECT_EQ(ExpectedCode, code[i][j]);
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160 }
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161
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162 for (unsigned j = 0; j < DataSize; j++) {
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163 uint8_t ExpectedData = 2 + (i % 254);
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164 EXPECT_EQ(ExpectedData, data[i][j]);
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165 }
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166 }
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167 }
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168
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169 } // Namespace
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170